const names = ["董昆山", "皇甫国贝", "李俊仁", "李连斯", "李忠宇", "吕强", "吕万杰", "马菁", "邱建婷", "王龙", "王杏杏", "王悦", "周志鹏"]

const step = 3

for (let index = 0; index < step; index++) {
  const i = parseInt(Math.random() * names.length)
  console.log(i)
  const element = names[i]
  console.log(element)
  names.splice(i, 1)
}
